Return unique_ptrs from base::ProcessMetrics.

chrome/browser/task_management/sampling/task_group_sampler.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/task_management/sampling/task_group_sampler.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
+#include "base/process/process_metrics.h"
 #include "build/build_config.h"
 #include "chrome/browser/task_management/task_manager_observer.h"
 #include "content/public/browser/browser_child_process_host.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace task_management {
 
 namespace {
 
-base::ProcessMetrics* CreateProcessMetrics(base::ProcessHandle handle) {
+std::unique_ptr<base::ProcessMetrics> CreateProcessMetrics(
+    base::ProcessHandle handle) {
 #if !defined(OS_MACOSX)
   return base::ProcessMetrics::CreateProcessMetrics(handle);
 #else
   return base::ProcessMetrics::CreateProcessMetrics(
       handle, content::BrowserChildProcessHost::GetPortProvider());
 #endif
 }
 
 }  // namespace
 
@@ skipping 146 matching lines @@
 }
 #endif  // defined(OS_LINUX)
 
 bool TaskGroupSampler::RefreshProcessPriority() {
   DCHECK(worker_pool_sequenced_checker_.CalledOnValidSequencedThread());
 
   return process_.IsProcessBackgrounded();
 }
 
 }  // namespace task_management